发明名称 Process for producing polycarbonate resin having specific terminal OH/CO value
摘要 There is provided a process for producing a polycarbonate resin containing less amounts of a terminal OH group and a residual monomer and having excellent heat resistance efficiently with a simple equipment. Said process comprises emulsifying an oligomer-containing reaction mixture obtained by the reaction of an alkaline aqueous solution of an aromatic dihydroxy compound with phosgene in the presence of an organic solvent, after adding a molecular weight modifier thereto, and performing polymerization while the reaction mixture is allowed to stand still in the emulsified state.
申请公布号 US5319065(A) 申请公布日期 1994.06.07
申请号 US19930048586 申请日期 1993.04.19
申请人 TEIJIN CHEMICALS, LTD. 发明人 KIKUMOTO, SHINJI;OKUYAMA, HIROKI;MANABE, AKIYOSHI;ITO, HIDEKAZU
分类号 C08G64/22;B01J19/18;C08G64/00;C08G64/14;C08G64/24;(IPC1-7):C08G64/20 主分类号 C08G64/22
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